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(init, compstmt, stmt, all_iter_stmt_with_decl): If the lookahead
token is a constant and we need to pop the momentary obstack, don't
free it.

From-SVN: r7382
This commit is contained in:
Richard Kenner 1994-05-28 22:44:55 -04:00
parent d3b35d7584
commit 9d4e73d622
1 changed files with 26 additions and 7 deletions
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21
gcc/c-parse.in
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@ -1111,7 +1111,8 @@ init:
push_momentary (); }
initlist_maybe_comma '}'
{ $$ = pop_init_level (0);
if ($$ == error_mark_node)
if ($$ == error_mark_node
&& ! (yychar == STRING || yychar == CONSTANT))
pop_momentary ();
else
pop_momentary_nofree (); }
@ -1551,16 +1552,25 @@ compstmt: '{' '}'
{ emit_line_note (input_filename, lineno);
expand_end_bindings (getdecls (), 1, 0);
$$ = poplevel (1, 1, 0);
if (yychar == CONSTANT || yychar == STRING)
pop_momentary_nofree ();
else
pop_momentary (); }
| '{' pushlevel maybe_label_decls error '}'
{ emit_line_note (input_filename, lineno);
expand_end_bindings (getdecls (), kept_level_p (), 0);
$$ = poplevel (kept_level_p (), 0, 0);
if (yychar == CONSTANT || yychar == STRING)
pop_momentary_nofree ();
else
pop_momentary (); }
| '{' pushlevel maybe_label_decls stmts '}'
{ emit_line_note (input_filename, lineno);
expand_end_bindings (getdecls (), kept_level_p (), 0);
$$ = poplevel (kept_level_p (), 0, 0);
if (yychar == CONSTANT || yychar == STRING)
pop_momentary_nofree ();
else
pop_momentary (); }
;
@ -1746,6 +1756,9 @@ stmt:
expand_loop_continue_here ();
if ($9)
c_expand_expr_stmt ($9);
if (yychar == CONSTANT || yychar == STRING)
pop_momentary_nofree ();
else
pop_momentary ();
expand_end_loop (); }
| SWITCH '(' expr ')'
@ -1758,6 +1771,9 @@ stmt:
position_after_white_space (); }
lineno_labeled_stmt
{ expand_end_case ($3);
if (yychar == CONSTANT || yychar == STRING)
pop_momentary_nofree ();
else
pop_momentary (); }
| BREAK ';'
{ stmt_count++;
@ -1878,6 +1894,9 @@ all_iter_stmt_with_decl:
emit_line_note (input_filename, lineno);
expand_end_bindings (getdecls (), 1, 0);
$<ttype>$ = poplevel (1, 1, 0);
if (yychar == CONSTANT || yychar == STRING)
pop_momentary_nofree ();
else
pop_momentary ();
}
*/